The human body is made up of several organ systems that all work together as a unit to make sure the body keeps functioning. There are ten major organ systems in the body, each of which plays a different role in helping the body work. Circulatory System. This system is made up of the heart, blood, blood vessels, and lymphatics.
Pleasant Lake, Michigan. Pleasant Lake is an unincorporated community in Jackson County, Michigan, United States. Pleasant Lake is located in Henrietta Township just south of the lake itself. Pleasant Lake has a post office with ZIP code 49272. In addition to the post office there is a party store, a gas station, and Christ Episcopal Church.
Crawford County, Michigan. Welcome to Crawford County, MI. Crawford County strives to enhance the quality of life for present and future generations by fostering economic growth through the highest quality of residential, recreational, and business development in Northern Michigan. County Dashboard.